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CD3000XL OperatorÕs Manual Page 101
THE FILTERS
Pressing displays the main keygroup function select where you may access the filter and
the envelope generators:
From this page press the key to take you to the filter page:
The CD3000XL is equipped with 12dB/octave lowpass resonant filters as found on many
analogue synthesisers. As well as using them for the tonal modification of acoustic samples,
they also allow you to totally transform a sound.
‘Lowpass’ means that the filter will allow low frequencies to pass through unaffected whilst high
frequencies are removed.
CUTOFF FREQUENCY
HARMONICS
FREQUENCY
L
E
V
E
L
As the cutoff frequency is moved downwards, so high frequencies are gradually removed.
CUTOFF FREQUENCY
HARMONICS
FREQUENCY
L
E
V
E
L
This is very convenient when dealing with samples of acoustic instruments because as notes
die away, they tend to lose their higher frequency content first. By applying an envelope
generator to the filter’s cutoff frequency, we can emulate that on the sampler. Another property
of sound is that when it is played loud (ff) it is generally brighter than when it is played softly